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Ubuntu alert USN-142-1 (sudo)

From:  Martin Pitt <martin.pitt@canonical.com>
To:  ubuntu-security-announce@lists.ubuntu.com
Subject:  [USN-142-1] sudo vulnerability
Date:  Tue, 21 Jun 2005 15:54:22 +0200
Cc:  full-disclosure@lists.grok.org.uk, bugtraq@securityfocus.com

=========================================================== Ubuntu Security Notice USN-142-1 June 21, 2005 sudo vulnerability CAN-2005-1993 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 4.10 (Warty Warthog) Ubuntu 5.04 (Hoary Hedgehog) The following packages are affected: sudo The problem can be corrected by upgrading the affected package to version 1.6.7p5-1ubuntu4.2 (for Ubuntu 4.10), or 1.6.8p5-1ubuntu2.1 (for Ubuntu 5.04). In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: Charles Morris discovered a race condition in sudo which could lead to privilege escalation. If /etc/sudoers allowed a user the execution of selected programs, and this was followed by another line containing the pseudo-command "ALL", that user could execute arbitrary commands with sudo by creating symbolic links at a certain time. Please note that this does not affect a standard Ubuntu installation. Updated packages for Ubuntu 4.10 (Warty Warthog): Source archives: http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1... Size/MD5: 19738 c0823e3947f35d25f259e7fd8f16f087 http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1... Size/MD5: 585 75d7496b2ccc5d4156cf64f7734e4671 http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1... Size/MD5: 349785 55d503e5c35bf1ea83d38244e0242aaf amd64 architecture (Athlon64, Opteron, EM64T Xeon) http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1... Size/MD5: 156152 a1b87562400cf5bed227cb36c8f84f89 i386 architecture (x86 compatible Intel/AMD) http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1... Size/MD5: 145582 7bbe9545270debdfbb783470aec52da3 powerpc architecture (Apple Macintosh G3/G4/G5) http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1... Size/MD5: 153136 8de2ac3f51917aa5a7f036075567e68d Updated packages for Ubuntu 5.04 (Hoary Hedgehog): Source archives: http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1... Size/MD5: 23451 560c7ca527526d804009152f1a64752f http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1... Size/MD5: 585 024e53a1dc3320b92c3def3278e93b1b http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1... Size/MD5: 584832 03538d938b8593d6f1d66ec6c067b5b5 amd64 architecture (Athlon64, Opteron, EM64T Xeon) http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1... Size/MD5: 170290 b730a59f092cbdf22fc3f0649ec55b7f i386 architecture (x86 compatible Intel/AMD) http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1... Size/MD5: 158592 6383525dc85c777200a0f90304dfef41 powerpc architecture (Apple Macintosh G3/G4/G5) http://security.ubuntu.com/ubuntu/pool/main/s/sudo/sudo_1... Size/MD5: 165296 3b4399b3149cde69961cb3a9140671a9 -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com http://lists.ubuntu.com/mailman/listinfo/ubuntu-security-...


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